CN201724948U - Nitrogen high temperature test cabinet capable of quickly cooling - Google Patents
Nitrogen high temperature test cabinet capable of quickly cooling Download PDFInfo
- Publication number
- CN201724948U CN201724948U CN2010202196767U CN201020219676U CN201724948U CN 201724948 U CN201724948 U CN 201724948U CN 2010202196767 U CN2010202196767 U CN 2010202196767U CN 201020219676 U CN201020219676 U CN 201020219676U CN 201724948 U CN201724948 U CN 201724948U
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- nitrogen
- test chamber
- temperature test
- fast cooling
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Abstract
The utility model relates to a nitrogen high temperature test cabinet capable of quickly cooling, which comprises a power switch, a cabinet body, a test cabinet door, a nitrogen input loop, an air input loop, an oxygen concentration analyzer, a heater, a fan, an exhaust valve and an over temperature protector. The nitrogen input loop of the nitrogen high temperature test cabinet is a double loop, a nitrogen inlet of the double nitrogen input loop is arranged at the bottom of the lateral wall of an inner cabinet body, and an outlet of the double nitrogen input loop is arranged on the top wall of the inner cabinet body. The double nitrogen input loop of a replacing device part of the nitrogen high temperature test cabinet capable of quickly cooling can increase oxygen replacement speed inside the cabinet, simultaneously reduce nitrogen consumption, greatly reduce cooling time with the design of an independent cooling air passage, increase utilization rate of equipment, and further reduce use cost for clients.
Description
Technical field
The utility model relates to a kind of chamber, refers to especially a kind ofly can replace oxygen in the chamber and nitrogen high-temperature test chamber that can fast cooling fast.
Background technology
At present; decline and luminescence efficiency along with the LED manufacturing cost; the breakthrough of technical bottlenecks such as light decay; LED becomes clear day by day in the advantage of illumination market; it is not far when its replacement conventional light source has been; in " sintering " of LED light fixture encapsulation process and " solidify the back " technology; all dry in the anaerobic hot environment; for BGA/CSP; FPC (flexible PCB) product; for chip being isolated from the outside to prevent that airborne impurity from causing electric property to descend to the corrosion of chip circuit; and consideration for ease of installing and transporting; the logical technologies such as adopting encapsulation of producing comes BGA/CSP and FPC are protected; encapsulation is necessary for chip; also be vital; " sintering "; " solidify the back " and encapsulation all need be in anaerobics; the hyperthermia drying device carries out; but this all will use the nitrogen high-temperature test chamber of fast cooling usually; in addition; the nitrogen high-temperature test chamber is in military project; automobile; industries such as electronics all are a kind of equipment commonly used; the replacement of oxygen that present nitrogen high-temperature test chamber is about to 20.6% aerial oxygen concentration is to need the long time below the 100ppm (1ppm be 1,000,000/); not only lose time but also consume more nitrogen; the cost that obtains high pure nitrogen at present is than higher; therefore not only cause the production cost to rise; and be unfavorable for the protection of environment; in addition; after product technology is finished in the chamber; wish can fast cooling to increase work efficiency; the present slow shortcoming of chamber ubiquity cooling rate is unfavorable for increasing work efficiency.
The utility model content
But technical purpose of the present utility model be for provide a kind of be provided with quick cyclic permutation device with gas in the displacement chamber simultaneously can fast cooling the nitrogen high-temperature test chamber of fast cooling.
For realizing above technical purpose; but the nitrogen high-temperature test chamber of fast cooling of the present utility model comprises that power switch, casing, test chamber door, nitrogen import the loop, air imports loop, oxygen concentration analyser, well heater, blower fan, exhaust damper, overtemperature prote device; it is two-way that but the nitrogen that is somebody's turn to do the nitrogen high-temperature test chamber of fast cooling imports the loop; and the nitrogen air intake opening in this two-way nitrogen importing loop is arranged at the position, bottom side of the sidewall of internal box, and the gas outlet in nitrogen importing loop is arranged at the roof position of internal box.
But cooling rate for the nitrogen high-temperature test chamber of accelerating this fast cooling; but the nitrogen high-temperature test chamber that is somebody's turn to do fast cooling includes internal box and outer case two layer box bodies; be provided with the air channel that independently lowers the temperature between the body wall of this internal box and outer case; the outer wall of the internal box in this cooling air channel is provided with the profile of tooth heat radiator that is used for wind-cooling heat dissipating; for accelerating speed air flow; usually can be provided with the fan of ventilation in this cooling air channel, just the gas of high temperature is discharged rapidly in the independent ventiduct.
For but the casing of the nitrogen high-temperature test chamber that makes this fast cooling has good air-tightness, but adopt the pneumatic pressure tank hermetically-sealed construction between the test chamber door of the nitrogen high-temperature test chamber of this fast cooling and the internal box, this test chamber door contacts with internal box and is provided with resistant to elevated temperatures silicagel pad between the compressive plane.
For the tank wall that guarantees this high temperature nitrogen chamber has good physics and chemical property, guarantee product quality, it is the SUS304 stainless steel of 2mm that the internal box wall of this casing adopts thickness.
But the well heater that is somebody's turn to do the nitrogen high-temperature test chamber of fast cooling adopts the nickel-chrome strip heater.
Beneficial effect: but the nitrogen high-temperature test chamber of fast cooling of the present utility model, its two-way nitrogen imports the speed that oxygen process in the displacement case can be improved in the loop, reduce the nitrogen loss simultaneously, reduce displacement activity duration cost, guarantee the environmental requirement of the electronic package stoving process of chip or precision, improve the quality of products and qualification rate, the design in independent in addition cooling air channel, can significantly reduce the time of temperature-fall period, improve the service efficiency of equipment and reduce client's use cost.
Relevant detailed content of the present utility model and technology are described as follows with regard to conjunction with figs. now.
Description of drawings
Fig. 1, be stereographic map of the present utility model;
Fig. 2, be the synoptic diagram that the cooling air channel is provided with between the inside and outside casing of the utility model.
The drawing reference numeral explanation:
But the nitrogen high-temperature test chamber 10 of 1 fast cooling, test chamber door
101, outer case 102, cooling air channel
103, internal box
Embodiment
Please refer to illustrated in figures 1 and 2; but be a kind of preferred embodiment for the nitrogen high-temperature test chamber 1 of the utility model fast cooling; but the nitrogen high-temperature test chamber 1 of fast cooling of the present utility model comprises power switch; casing; test chamber door 10; nitrogen imports the loop; air imports the loop; the oxygen concentration analyser; well heater; blower fan; exhaust damper; the overtemperature prote device; it is two-way that but the nitrogen that is somebody's turn to do the nitrogen high-temperature test chamber 1 of fast cooling imports the loop; and the nitrogen air intake opening in this two-way nitrogen importing loop is arranged at the position, bottom side of the sidewall of internal box 103, and the gas outlet in nitrogen importing loop is arranged at the roof position of internal box 103.
Further, but cooling rate for the nitrogen high-temperature test chamber 1 of accelerating this fast cooling, but the nitrogen high-temperature test chamber 1 that is somebody's turn to do fast cooling includes internal box 103 and outer case 101 double-deck casings, be provided with the air channel 102 that independently lowers the temperature between the body wall of this internal box 103 and outer case 101, the outer wall of the internal box 103 in this cooling air channel 102 is provided with the profile of tooth heat radiator that is used for wind-cooling heat dissipating, usually this is used for the profile of tooth heat radiator of wind-cooling heat dissipating or the fixing or welding press of fitting is fixed in the outside surface of this internal box 103, the material of this profile of tooth heat radiator adopts easy Heat Conduction Material such as aluminium, metal materials such as copper, for accelerating its body flowing velocity, reduce the time of heat radiation, be provided with the fan of accelerating gas flow rates in this cooling air channel.
Further, for but the casing of the nitrogen high-temperature test chamber 1 that makes this fast cooling has good air-tightness, but adopt the pneumatic pressure tank hermetically-sealed construction between the test chamber door 10 of the nitrogen high-temperature test chamber 1 of this fast cooling and the internal box 103, this test chamber door 10 contacts with internal box 103 and is provided with resistant to elevated temperatures silicagel pad between the compressive plane, owing to have good air-tightness, therefore when being in the baking state, the nitrogen consuming amount 15L/min of this gas high-temperature test chamber case, be lower than the 20L/min-25L/min of like product, the consumption and the discharging of nitrogen have been reduced, also saved the manufacturing energy of nitrogen, compare with external like product, reach same oxygen level effect and can realize that energy-saving and emission-reduction are about 25%, reduce user's production cost greatly.
Further, for the tank wall that guarantees this high temperature nitrogen chamber has good physics and chemical property, guarantee product quality, it is the SUS304 stainless steel of 2mm that internal box 103 walls of this casing adopt thickness.
Further, but the well heater of the nitrogen high-temperature test chamber 1 of this fast cooling adopts the nickel-chrome strip heater, with the raising efficiency of heating surface, and guarantees that heating element has higher reliability and stability.
But the nitrogen high-temperature test chamber of the fast cooling of present embodiment, when closing casing and beginning to replace in the case gas, the nitrogen gatherer in two-way loop is fast with air replacement of oxygen in the case, amount of oxygen is dropped to below the 100ppm, reach and be heated to uniform temperature after the working environment requirement and carry out technological operation, in the operation owing to keep good air-tightness, can not cause nitrogen to be revealed, therefore the nitrogen consumption of this gas high-temperature test chamber is 15L/min, be lower than the 20L/min-25L/min of like product, after high-temperature technology is finished, start fan and in the air channel 102 that independently lowers the temperature, produce the temperature that quick airflow flowing reduces internal box, can reduce the temperature of internal box 103 fast, reduce the temperature-fall period required time, and in temperature-fall period, not influence the oxygen concentration in the internal box 103.
The scope of application of present embodiment is as follows:
1, the LED light fixture is made the field: as the LED lamp in " sintering " and " back curing " technology of light fixture encapsulation process, build reliable anaerobic high temperature drying environment, " sintering " make elargol at high temperature bonding, solidify, remove moisture, prevent the oxidation of chip circuit and cause electric property to descend; " then solidify " allows the CSP epoxy resin cure, improves the bonding strength of epoxy and support.Because of chip is easy to by oxygen in the hot environment of oxygen is arranged, oxidized chip and circuit can produce poor electric conductivity because of loose contact, cause control system to damage.
2, the packaging technology of BGA/CSP and FPC (flexible PCB) packaging technology: BGA/CSP encapsulation and FPC (flexible PCB), it is a kind of technology that integrated circuit is packed with the plastics or the stupalith of insulation, encapsulation is necessary for chip, also is vital.Because chip must be isolated from the outside, the corrosion of chip circuit is caused electric property descend to prevent airborne impurity, the chip after the encapsulation also is more convenient for installing and transportation simultaneously.
3, the multiple environment that need under anaerobic and hot conditions, work in the industries such as other military project, automobile, electronics.
Above-listed detailed description is at the specifying of the utility model possible embodiments, and this embodiment is not in order to limiting claim of the present utility model, does not allly break away from the equivalence that the utility model does and implements or change, all should be contained in the claim of this case.
Claims (5)
1. but the nitrogen high-temperature test chamber of a fast cooling; comprise that power switch, casing, test chamber door, nitrogen import the loop, air imports loop, oxygen concentration analyser, well heater, blower fan, exhaust damper, overtemperature prote device; it is characterized in that: but the nitrogen of the nitrogen high-temperature test chamber of this fast cooling imports the loop is two-way; and the nitrogen air intake opening in this two-way nitrogen importing loop is arranged at the position, bottom side of the sidewall of internal box, and the gas outlet in nitrogen importing loop is arranged at the roof position of internal box.
2. but the nitrogen high-temperature test chamber of fast cooling according to claim 1, it is characterized in that: but the nitrogen high-temperature test chamber of this fast cooling includes internal box and outer case two layer box bodies, is provided with the air channel that independently lowers the temperature between the body wall of this internal box and outer case.
3. but the nitrogen high-temperature test chamber of fast cooling according to claim 2, it is characterized in that: the outer wall of the internal box in this cooling air channel is provided with the profile of tooth heat radiator that is used for wind-cooling heat dissipating.
4. but the nitrogen high-temperature test chamber of fast cooling according to claim 2 is characterized in that: be provided with the fan of accelerating gas flow rates in this cooling air channel.
5. but the nitrogen high-temperature test chamber of fast cooling according to claim 1, it is characterized in that: but the pneumatic pressure tank hermetically-sealed construction adopted between the test chamber door of the nitrogen high-temperature test chamber of this fast cooling and the internal box, and this test chamber door contacts with internal box and is provided with resistant to elevated temperatures seal gasket between the compressive plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202196767U CN201724948U (en) | 2010-06-04 | 2010-06-04 | Nitrogen high temperature test cabinet capable of quickly cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202196767U CN201724948U (en) | 2010-06-04 | 2010-06-04 | Nitrogen high temperature test cabinet capable of quickly cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201724948U true CN201724948U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202196767U Expired - Fee Related CN201724948U (en) | 2010-06-04 | 2010-06-04 | Nitrogen high temperature test cabinet capable of quickly cooling |
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| CN (1) | CN201724948U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436251A (en) * | 2011-11-30 | 2012-05-02 | 广州市光机电技术研究院 | Constant-temperature air bath device and method for detecting temperature controller thereof and testing aging of temperature controller |
| CN106766300A (en) * | 2016-12-30 | 2017-05-31 | 安徽亿瑞深冷能源科技有限公司 | For quick changeable temperature testing equipment from high temperature to room temperature section fast cooling device |
| CN108931717B (en) * | 2017-05-25 | 2021-10-08 | 京元电子股份有限公司 | High-low temperature switching test module |
| CN113499809A (en) * | 2021-08-11 | 2021-10-15 | 广州克莱美特科技股份有限公司 | Liftable portable high temperature test case |
| WO2023137892A1 (en) * | 2022-01-18 | 2023-07-27 | 东莞市升微机电设备科技有限公司 | Clean anaerobic chamber |
-
2010
- 2010-06-04 CN CN2010202196767U patent/CN201724948U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436251A (en) * | 2011-11-30 | 2012-05-02 | 广州市光机电技术研究院 | Constant-temperature air bath device and method for detecting temperature controller thereof and testing aging of temperature controller |
| CN106766300A (en) * | 2016-12-30 | 2017-05-31 | 安徽亿瑞深冷能源科技有限公司 | For quick changeable temperature testing equipment from high temperature to room temperature section fast cooling device |
| CN108931717B (en) * | 2017-05-25 | 2021-10-08 | 京元电子股份有限公司 | High-low temperature switching test module |
| CN113499809A (en) * | 2021-08-11 | 2021-10-15 | 广州克莱美特科技股份有限公司 | Liftable portable high temperature test case |
| WO2023137892A1 (en) * | 2022-01-18 | 2023-07-27 | 东莞市升微机电设备科技有限公司 | Clean anaerobic chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20150604 |
|
| EXPY | Termination of patent right or utility model |